WALTHAM, Mass., July 19, 2012 (GLOBE NEWSWIRE) -- TESARO, Inc. (Nasdaq:TSRO) will announce its second quarter 2012 financial results on Thursday, July 26th, 2012, before the open of the U.S. financial markets. TESARO's senior management will host a conference call and live audio webcast on Thursday, July 26th, at 8:30 a.m. ET to discuss the Company's results in greater detail.